The wide receiver has skipped off-season duties, having questioned whether the AFC South side was the right place for him to play.
However, the 32-year-old told NFL Media: "Hopefully. We'll see what happens. Training camp's three weeks away, so we'll see what happens.
"I haven't been public about anything. I just choose not to talk publicly about it. It's in-house and that's the way I choose to keep it. I'm not a big media guy, so I refuse to talk about it."
Johnson has three years remaining on his contract with the team.